Abstract
Double-perovskite solar cells (DPSCs) are environment-friendly materials used for the efficient conversion of solar energy to electrical energy, enabling significant growth in the development of the photovoltaic community. In this study, the Solar Cell Capacitance Simulator in One Dimension (SCAPS-1D) software was used for the study of Cs2AgBiBr6 absorber-based DPSCs with tin (IV) oxide (SnO2) and molybdenum trioxide (MoO3) as the electron transport layer and hole transport layer, respectively. Parameters such as short-circuit current density (J sc), fill factor (FF), open-circuit voltage (V oc), power conversion efficiency (PCE) and quantum efficiency were analyzed under different working temperatures, absorber thicknesses, metal work functions and defect concentrations. After the optimization of the device, the following electrical parameters of perovskite solar cells were obtained: a PCE of 11.41%, a J sc of 9.4741 mA/cm2, an FF of 72.61% and a V oc of 1.419 V. This configuration allows characterization of the basic solar cell features necessary to achieve high-performance outcomes for photovoltaic devices.
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